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48.8566°N / 2.3522°E

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Subsurface ocean

Definition

A liquid water ocean hidden beneath the icy crust of a moon, kept liquid by tidal friction. Europa (Jupiter moon) and Encelade (Saturn moon) have them, making them major targets in the search for life.

Related terms

AstrobiologyHabitabilityJupiter

Associated missions

juiceeuropa-clipper